Average sea water temperature in December:
+48.0°F
| Minimum sea water temperature in December: | 56.8°F |
| Maximum sea water temperature in December: | 41.0°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 44.1°F. The highest and lowest sea temperatures during the month were 50.5°F and 41.0°F.
sea water
temperature
temperature
| South Bethany |
monthly
weather
weather
| South Bethany |
current
weather
weather
| South Bethany |
14 days
forecast
forecast
| South Bethany |
Monthly sea water temperature in South Bethany, °F
Which USA resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Kailua Kona | 79.2°F | 78.3°F |
| West Palm Beach | 79.0°F | 78.4°F |
| Fort Lauderdale | 78.7°F | 77.6°F |
| Honolulu | 78.6°F | 78.3°F |
| Hawaii | 78.5°F | 78.3°F |
| Kauai | 78.2°F | 76.0°F |
| Maui | 78.0°F | 77.8°F |
| Miami Beach | 77.4°F | 75.9°F |
| Oahu | 77.1°F | 77.2°F |
| Key West | 75.9°F | 72.6°F |
| Miami | 75.5°F | 73.0°F |
| South Padre Island | 71.8°F | 71.9°F |
| Naples | 71.5°F | 67.7°F |
| Siesta Key | 69.3°F | 65.6°F |
| Sarasota | 69.2°F | 65.6°F |
| Tampa | 68.3°F | 65.5°F |
| Orlando | 67.6°F | 66.0°F |
| St. Petersburg | 67.5°F | 64.3°F |
| Corpus Christi | 67.5°F | 66.5°F |
| Daytona Beach | 67.1°F | 65.8°F |
Best time for vacation in South Bethany
South Bethany on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Bethany
Local time: 13:01
July 21, tuesday
1500
79°F
N
21 mph
21 mph
1800
81°F
NE
28 mph
28 mph
2100
75°F
NE
21 mph
21 mph
July 22, wednesday
0000
75°F
NE
20 mph
20 mph
0300
75°F
NE
22 mph
22 mph
0600
75°F
NE
17 mph
17 mph
0900
75°F
NE
17 mph
17 mph
1200
79°F
NE
21 mph
21 mph
